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7621990 |
Filter device
A filter device for purifying air includes a filtering tank and a mixing rotor. The a filtering tank has a filter chamber for containing a predetermined volume of filtering solution to filter...
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7476365 |
Apparatus for removing mercury from natural gas
A method and apparatus for separating mercury and other undesired constituents from a natural gas stream includes passing the raw gas stream sequentially through a first separator, an amine...
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7438744 |
Method and system for sequestering carbon emissions from a combustor/boiler
A system for sequestering carbon emissions from a fuel combustor generally includes a combustion gas extraction module for extracting combustion gas from a fuel combustor and a greenhouse facility...
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7377958 |
Apparatus and method for removing airborne moisture
An apparatus is provided for removing airborne moisture from a designated area. In one embodiment, the apparatus includes a bucket, a liquid absorption medium (such as ground corn cobs) placed in...
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7147689 |
Apparatus and method for removing volatile organics from vented gases
An apparatus and a method for removing volatile organic compounds from air that is vented from tanks and vessels containing hydrocarbon material. This invention also relates to a self-propelled...
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7066984 |
High recovery carbon monoxide production process
The present invention provides for a monolith reactor process for the production of syngas from hydrocarbon and oxygen feeds. The syngas is cooled and separated to produce carbon monoxide and...
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7014682 |
Apparatus and process for removing contaminants from a flowing gas stream
An apparatus and process for removing regulated pollutants and other contaminants from a flowing gas stream between a scrubber and an exhaust stack. The apparatus comprises a vessel having a heater...
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6793712 |
Heat integration system for natural gas liquefaction
A pretreatment system for natural gas liquefaction employing heat integration for more efficient and effective natural gas temperature control. The pretreatment system expands the natural gas prior...
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6770119 |
Mercury removal method and system
The present invention provides a mercury removal method which can effectively remove very small amounts of mercury components present in a gas during wet gas purification such as coal or heavy oil...
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6764755 |
Channelized sorbent media, and methods of making same
A channelized sorbent material comprises porous sorbent particles characterized by an average pore diameter. Each sorbent particle has at least one interior channel of an average transverse...
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6709485 |
Process of removing carbon dioxide from a chlor/alkali plant tail gas stream
A process for removing chlorine gas from the tail gas stream of a chlor/alkali plant or other chemical processes comprising the steps of: (a) contacting a chlorine-, hydrogen-, and carbon...
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6623537 |
Removal of soot in gasification system
The raw syngas generated in a partial oxidation gasifier also includes carbon soot which is removed and recovered from the syngas by scrubbing with water. The scrubbing water contains one or more...
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6596054 |
Method for carbon monoxide reduction during thermal/wet abatement of organic compounds
A method and system for retrofitting an integrated scrubber to provide maximum oxygen content in a controlled decomposition oxidation (CDO) abatement process. The system includes a thermal/wet...
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6551381 |
Method for carbon monoxide reduction during thermal/wet abatement of organic compounds
A method and system for retrofitting an integrated scrubber to provide maximum oxygen content in a controlled decomposition oxidation (CDO) abatement process. The system includes a thermal/wet...
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6527828 |
Oxygen enhanced CDA modification to a CDO integrated scrubber
A method and system for retrofitting an integrated scrubber to provide maximum oxygen content in a controlled decomposition oxidation (CDO) abatement process including a thermal/wet integrated...
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6524843 |
Process and apparatus for the treatment of carbon dioxide with carbonic anhydrase
A process is disclosed for the extraction, production and purification of carbon dioxide gas. The process may also be employed for the production of aqueous and/or organic solutions of bicarbonate...
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6506233 |
Desiccant tablets for gas drying
Desiccant tablets including solid potassium formate are used to dry gas, especially in natural gas transmission lines. Preferred tablets comprise 1-4% potassium formate (most preferably 2-3%), up...
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6372021 |
Extractive removal of methanol from cumene-to-phenol process vent gas
Injection of even very small amounts of supplemental water to the spent-air stream at points upstream from the heat exchanger cooler(s) used in processing spent-air streams from a cumene-to-phenol...
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6358301 |
Process for preparing an adsorbent which is loaded with an oil
The invention relates to a process for preparing a highly loaded adsorbent by extracting an oil from an oil crude product using supercritical fluid extraction to obtain a loaded supercritical fluid...
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6355094 |
Material for the removal of gaseous impurities from a gas mixture
Porous, preferably dimensionally stable material and a method for using for the removal of gaseous impurities from a gas mixture, such as H 2 S, COS, CH 2 , and SO 2 , into the pores of which there...
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6203598 |
Flue gas treating process and system
This invention relates to a flue gas treating process including a heat recovery step for recovering heat from flue gas by means of a heat exchanger (4) and thereby cooling the flue gas, and a...
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6042636 |
Method and apparatus of treating incinerator exhaust gas
A method and apparatus of cooling incinerator exhaust gas for a cleaning treatment of high temperature exhaust gas discharged from an incinerator of refuse and/or waste in a post-step are provided....
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6019816 |
Systems and methods for removing residue from process gases exhausted from microelectronic device fabrication processes
Process gases from microelectronic device fabrication processes are pumped through a filter unit including a plurality of absorbers for absorbing water entrained within the process gases. Residues...
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6001152 |
Flue gas conditioning for the removal of particulates, hazardous substances, NO.sub.x, and SO.sub.x
The present invention provides compositions including a salt selected from the group consisting essentially of sodium nitrate, sodium nitrite, ammonium nitrate, lithium nitrate, barium nitrate,...
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5879566 |
Integrated steam reforming operation for processing organic contaminated sludges and system
A method and system for processing waste dries and reforms a sludge stream of the waste with a first reformed effluent stream to produce a gas effluent stream and a solids effluent stream. The gas...
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5766309 |
Eutectic drying composition and method
Solid gas-drying forms are made by heating drying salts with a polar solvent to form a saturated solution, then cooling, freezing and forming. Preferred salts are combinations of calcium and...
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5741470 |
Method and device for removal of ethylene oxide gas
A method and a device for the removal of ethylene oxide gas present at high concentrations, for example, 1,000 to 1,000,000 ppm, in exhaust gas is described, which is especially suitable for...
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5725635 |
Method to remove organic halogenated molecules from gaseous currents and relative plant
Method to remove organic halogenated molecules from gaseous currents arriving as a residue of industrial working processes or not, the gaseous current being delivered into a reactor (16) containing...
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5690898 |
Process for treating effluent from a supercritical water oxidation reactor
A method for treating a gaseous effluent from a supercritical water oxidation reactor containing entrained solids is provided comprising the steps of expanding the gas/solids effluent from a first...
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5683492 |
Process for the recovery of carbon monoxide from a purge gas containing at least carbon monoxide, nitrogen and hydrogen
A process for the recovery of carbon monoxide from a purge gas from acetic acid synthetic containing at least carbon monoxide, nitrogen and hydrogen, wherein the purge gas (6) containing at least...
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5679238 |
Method for producing sulfuric acid from flue gas desulfurization
The present invention is directed towards a method that makes sulfuric acid from a dry flue gas desulfurization process which utilizes a low temperature regeneration of the carbon adsorbent in the...
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5620501 |
Recovery of trace gases from gas streams
Selected strongly adsorbed gaseous impurities are removed from a gas stream by pressure swing adsorption in an adsorption system which includes a single adsorption vessel, a gas storage vessel and...
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5533437 |
Recovery of hydrocarbons from polyalkene product purge gas
Hydrocarbons are recovered from the product purge gas in an alkene polymerization process by absorption of heavier hydrocarbons from the purge gas by an intermediate hydrocarbon stream to yield a...
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5480624 |
Method for purification of waste gases
Waste gases are purified by adding reagent and/or absorbent which reacts with pollutants in the gases to the gases, and then introducing the gases into a wetting reactor for activating the reagent...
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5435981 |
Method of adsorbing and removing nitrogen oxides
Disclosed is a method of adsorbing and removing NOx, by washing with water a gas discharged by ventilation from highway tunnels in a washing tower as pretreatment, and then adsorbing NOx in the gas...
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5431808 |
Device for odor filtering of exhaust air from waste water treatment
The waste water which is discharged from the anaerobic treatment stages of biological waste water treatment plants still contains highly volatile organic substances which, if not biodegraded,...
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5306331 |
Process for cooling the feed gas to gas separation systems
The present invention provides a process for utilizing one stream from a gas separation unit in an evaporation cooler to provide cool water which is used to cool the feed gas mixture by direct or...
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5299605 |
Vapour recovery system for a fuel filling installation
A vapor recovery system for a fuel filling installation in which the recovered air-vapor mixture is pumped to the submerged end of a discharge pipe. The discharge pipe is connected to a closed tube...
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5296017 |
Method and apparatus for concentrating chlorine gas
A method and an apparatus for concentrating/purifying a chlorine gas are disclosed in which a pressure swing adsorption method for alternately repeating an adsorbing operation and a desorbing...
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5259853 |
Vent gas processing scheme with vacuum swing adsorption
An integrated process for treating a vent gas stream containing halogenated organic compounds to produce a clean vent gas with vacuum swing adsorption of the halogenated organic compounds and the...
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5190672 |
Method for thermal disposal of sewage sludge
A method of thermal disposal of sewage sludge. The sludge is dried and incinerated. The flue gases from the incineration are washed. The flue gas dust resulting from the incineration and the sludge...
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5180405 |
Oily smoke purifying apparatus of central processing system type
An oily smoke purifying apparatus of central processing system type comprising an upright housing on the inside bottom of which is provided a water tank equipped with a water pump that is connected...
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5160512 |
Gas separation process
An improved method for removal of a gas constituent from a gas stream is disclosed employing a composite sorbent material. The gas stream is passed through a bed of solid absorbent particles having...
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5154735 |
Process for recovering hydrocarbons from air-hydrocarbon vapor mixtures
An improved process for recovering hydrocarbons from an air-hydrocarbon vapor mixture such as the mixture of air and vaporized light hydrocarbon compounds expelled as a result of loading gasoline,...
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5145581 |
Composting system utilizing air recirculation
An in-vessel composting system wherein the exhaust gas from aerated compost feed material is pretreated by scrubbers and then by a chiller/condenser. A small portion of this cool, relatively dry,...
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5141724 |
Mercury removal from gaseous hydrocarbons
Mercury is removed from a gaseous hydrocarbon stream by passing the stream through an in-line mixer which includes mixing elements which have gas-contacting surfaces of an amalgam-forming metal....
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5122165 |
Removal of volatile compounds and surfactants from liquid
A process system and apparatus for removal of toxic volatile organic compounds (VOCs), volatile inorganic compounds (VICs) and surfactants from a contaminated liquid stream, more particularly...
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5120515 |
Simultaneous dehydration and removal of residual impurities from gaseous hydrocarbons
The present invention advantageously provides a conventional dessicant bed with means for removing residual mercury, H 2 S and CO 2 from a gas, such as a natural gas stream, by replacing an inert...
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5096469 |
Adsorptive gas separator with inertial energy exchange
Pressure swing adsorption separation of a gas mixture is performed in first and second working spaces, with each working space having a flow path contacting adsorbent beds and variable displacement...
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4966611 |
Removal and destruction of volatile organic compounds from gas streams
An apparatus and process for adsorbing volatile organic compounds, or VOCs, and efficiently regenerating adsorbent material in an emission control system. Flue gas, emitted from a combustion unit...
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